Audio mixing method in multiple-MCU video conference system
A video conferencing system and sound mixing technology, which is applied to video conferencing systems, two-way working systems, etc., can solve problems such as system unavailability, large audio delay, and high computational complexity, so as to improve transmission delay and avoid system unavailability. Effect
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[0019] (1) All MCUs are registered on the gatekeeper (GateKeeper, hereinafter referred to as GK), each MCU and other MCUs establish a pairwise connection, and each MCU maintains a connection list with other MCUs and A list of local clients that need to be mixed, that is, the pairwise connection between MUCs is realized through GK.
[0020] As shown in FIG. 1 , the master MCU and the slave MCU are not distinguished when the MCUs are cascaded in the present invention, each MCU belongs to the same level, and two-to-two connections are established between the MCUs to form a mesh topology. Whether to establish a connection between MCUs and open a media channel is determined by GK dynamic scheduling.
[0021] For a certain client, the MCU directly connected to it is called the local MCU, and other MCUs connected to the local MCU become the remote MCU; for a certain MCU, the client directly connected to it is called the local client , and clients indirectly connected to it through o...
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